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Finding the Fourth Proportional to 16,369.27, 22,589.60 and 8,917.27

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Solution

The fourth proportional to 16,369.27, 22,589.60 and 8,917.27 is: 12,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,369.27 : 22,589.60 = 8,917.27 : x
  2. Step 2: Convert to fraction form
    16,369.27/22,589.60 = 8,917.27/x
  3. Step 3: Cross multiply
    16,369.27x = 22,589.60 × 8,917.27
  4. Step 4: Simplify right side
    16,369.27x = 201,437,562.39
  5. Step 5: Solve for x
    x = 201,437,562.39/16,369.27
  6. Step 6: Final answer
    x = 12,305.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.